File: Stack.c

package info (click to toggle)
squid 2.6.5-6etch5
  • links: PTS
  • area: main
  • in suites: etch
  • size: 12,540 kB
  • ctags: 13,801
  • sloc: ansic: 105,278; sh: 6,083; makefile: 1,297; perl: 1,245; awk: 40
file content (62 lines) | stat: -rw-r--r-- 1,890 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/*
 * $Id: Stack.c,v 1.12 2005/10/23 15:20:49 hno Exp $
 *
 * AUTHOR: Alex Rousskov
 *
 * SQUID Web Proxy Cache          http://www.squid-cache.org/
 * ----------------------------------------------------------
 *
 *  Squid is the result of efforts by numerous individuals from
 *  the Internet community; see the CONTRIBUTORS file for full
 *  details.   Many organizations have provided support for Squid's
 *  development; see the SPONSORS file for full details.  Squid is
 *  Copyrighted (C) 2001 by the Regents of the University of
 *  California; see the COPYRIGHT file for full details.  Squid
 *  incorporates software developed and/or copyrighted by other
 *  sources; see the CREDITS file for full details.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 */

/*
 * Stack is a (void*) stack with unlimited capacity; based on Array
 */


#include "config.h"
#if HAVE_ASSERT_H
#include <assert.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#include "util.h"
#include "Stack.h"


void *
stackPop(Stack * s)
{
    assert(s != NULL);
    return s->count ? s->items[--s->count] : NULL;
}

void *
stackTop(Stack * s)
{
    assert(s != NULL);
    return s->count ? s->items[s->count - 1] : NULL;
}